0:1:0.0
1:0:0.0
0:2:0.0
2:0:0.0
1:2:0.0
2:1:0.0
2:3:0.0
3:2:0.0
1:4:0.0
4:1:0.0
3:4:0.0
4:3:0.0
1:5:0.0
5:1:0.0
4:5:0.0
5:4:0.0
